diff --git a/dev-ml/stringext/Manifest b/dev-ml/stringext/Manifest
new file mode 100644
index 0000000000000..ab07bcc50926f
--- /dev/null
+++ b/dev-ml/stringext/Manifest
@@ -0,0 +1 @@
+DIST stringext-1.6.0.tbz 7445 BLAKE2B eff21ad94b68818681cb4be32f6c978dd027aaeec6b04b1d100890dc5a382af35e94f689e7c9bc3779001eb21e6fbe7d2c933dcf6146686a3e1793648f797680 SHA512 d8ebe40f42b598a9bd99f1ef4b00ba93458385a4accd121af66a0bf3b3f8d7135f576740adf1a43081dd409977c2219fd4bdbb5b3d1308890d301d553ed49900
diff --git a/dev-ml/stringext/metadata.xml b/dev-ml/stringext/metadata.xml
new file mode 100644
index 0000000000000..85cee4491cc7d
--- /dev/null
+++ b/dev-ml/stringext/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>ml@gentoo.org</email>
+		<name>ML</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">rgrinberg/stringext</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-ml/stringext/stringext-1.6.0.ebuild b/dev-ml/stringext/stringext-1.6.0.ebuild
new file mode 100644
index 0000000000000..7fa8fc4ee72df
--- /dev/null
+++ b/dev-ml/stringext/stringext-1.6.0.ebuild
@@ -0,0 +1,22 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+inherit dune
+
+DESCRIPTION="Extra string functions for OCaml"
+HOMEPAGE="https://github.com/rgrinberg/stringext"
+SRC_URI="https://github.com/rgrinberg/${PN}/releases/download/${PV}/${P}.tbz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="ocamlopt test"
+RESTRICT="!test? ( test )"
+
+BDEPEND="test? ( dev-ml/qcheck )"
+
+src_prepare() {
+	sed -i -e 's:oUnit:ounit2:' lib_test/dune || die
+	default
+}